
Spark of the Revolution: Audiobook
Book 1 of the Harbor of Spies series
According to The Books Insider's catalog data, the Spark of the Revolution audiobook runs 11.3 hours unabridged, narrated by Kathryn Markey (about 7.5 hours at 1.5× playback speed).
The instrument When will you finish it?
Based on 11.3 hours of listening.
| Your pace | You'll finish in |
|---|---|
| 30 min / day | 23 days |
| 1 hour / day | 12 days |
| 2 hours / day | 6 days |
| 1 hour / day at 1.5× | 8 days |
You'll finish in – by –
Part of The Audiobook Finish-Time Calculator: the same instrument for any audiobook we measure.
What our data says
- At 11.3 hours, it runs longer than 78% of the 7,973 Religious Fiction audiobooks in our catalog.
Catching up on Harbor of Spies
This is book 1. Books 1 to 3 run 34.4 hours in all.
| Book | Title | Length |
|---|---|---|
| 1 | Spark of the Revolution | 11.3 hrs |
| 2 | Secrets of the Revolution | 11.4 hrs |
| 3 | Scars of the Revolution | 11.7 hrs |
More narrated by Kathryn Markey
Kathryn Markey narrates 13 unabridged audiobooks in our catalog, 151 hours in all.
About as long, on the Religious Fiction shelf
1,696 Religious Fiction audiobooks in our catalog run within 10% of this length. The most popular on the store:
Computed from 409,794 English-language unabridged audiobooks in The Books Insider catalog (store data read November 3, 2026). Lengths are the store's own running times. Methodology.
About this listen
Spark of the Revolution is book 1 of Megan Soja's Harbor of Spies series: a 11.3-hour unabridged recording, read by Kathryn Markey, released April 6, 2026, on the Religious Fiction shelf.
The listen at a glance
- Length
- 11.3 hrs
- Narrated by
- Kathryn Markey
- Released
- April 6, 2026
- Format
- Unabridged audiobook
- Language
- English
- Store shelves
- Religious Fiction
- Series
- Harbor of Spies #1
- ISBN
- 9798897560783
How to listen to Spark of the Revolution free
New members at audiobooks.com get three free audiobooks with the trial.
Separately, the store's catalog carries more than 10,000 audiobooks that are always free to stream.
Start listening freeQuestions listeners ask
How long is the Spark of the Revolution audiobook?
Spark of the Revolution runs 11.3 hours unabridged. At 1.5× speed that drops to roughly 7.5 hours.
Is the Spark of the Revolution audiobook free?
Yes, for new listeners: the trial starts you with three free audiobooks.
Who narrates Spark of the Revolution?
Spark of the Revolution is narrated by Kathryn Markey.
Is Spark of the Revolution worth listening to at 1.5× speed?
At 1.5× you'd finish in about 7.5 hours, saving 3.8 hours.